ADEL, IA · Dallas County

DE SOTO WATER SUPPLY Water System

Current status

3 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID): IA2529035
System type: Community Water System
Population served: 960
Service connections: 445
Ownership: local government
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
April 25, 2025
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
November 8, 2022
Unaddressed
Public Notification Violation for NPDWR Violation
—
Public Notice
November 8, 2022
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
June 1, 2018 – June 30, 2018
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2016 – March 24, 2017
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
August 1, 2015 – August 31, 2015
Resolved
Maximum Contaminant Level Violation, Single Sample
Health-based
Fluoride
August 1, 2015 – August 31, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – December 1, 2014
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2009 – March 31, 2009
Resolved
Monitoring, Regular
—
Arsenic
July 1, 2001 – June 30, 2002
Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
April 25, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
November 8, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
November 8, 2022	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
June 1, 2018 – June 30, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 2016 – March 24, 2017	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 1, 2015 – August 31, 2015	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
August 1, 2015 – August 31, 2015	Maximum Contaminant Level Violation, Single Sample	Fluoride	Health-based	Resolved
July 1, 2014 – December 1, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
January 1, 2009 – March 31, 2009	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
July 1, 2001 – June 30, 2002	Monitoring, Regular	Arsenic	—	Resolved

Unaddressed no corrective action on record yetResolved addressed and confirmed by the state

Enforcement actions

June 25, 2025State Formal Notice of Violation issued1 linked violation
June 25, 2025State Violation/Reminder Notice1 linked violation
January 21, 2025State Public Notification requested1 linked violation
January 21, 2025State Formal Notice of Violation issued1 linked violation
January 8, 2025State Compliance achieved1 linked violation
January 1, 2025State Compliance achieved1 linked violation
October 9, 2024State Formal Notice of Violation issued1 linked violation
March 20, 2023State Violation/Reminder Notice1 linked violation
March 20, 2023State Formal Notice of Violation issued1 linked violation
March 20, 2023State Intentional no-action2 linked violations
March 20, 2023State Violation/Reminder Notice1 linked violation
March 20, 2023State Formal Notice of Violation issued1 linked violation
March 20, 2023State Intentional no-action2 linked violations
February 1, 2023State Compliance achieved1 linked violation
September 30, 2022State Formal Notice of Violation issued1 linked violation
August 10, 2022State Compliance achieved1 linked violation
August 10, 2022State Compliance achieved1 linked violation
November 4, 2021State Public Notification requested1 linked violation
November 4, 2021State Public Notification requested1 linked violation
July 18, 2018State Formal Notice of Violation issued2 linked violations
March 24, 2017State Compliance achieved2 linked violations
September 19, 2016State Formal Notice of Violation issued1 linked violation
September 19, 2016State Public Notification requested2 linked violations
June 1, 2016State Compliance achieved2 linked violations
June 1, 2016State Public Notification received2 linked violations
January 19, 2016State Intentional no-action4 linked violations
January 19, 2016State Violation/Reminder Notice5 linked violations
January 6, 2016State Compliance achieved2 linked violations
August 10, 2015State Formal Notice of Violation issued4 linked violations
September 15, 2014State Formal Notice of Violation issued4 linked violations
August 27, 2014State Compliance achieved4 linked violations
October 31, 2013State Formal Notice of Violation issued3 linked violations
July 31, 2002State Compliance achieved2 linked violations
July 25, 2002State Public Notification requested3 linked violations
October 25, 1993State Intentional no-action2 linked violations
October 15, 1987State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
August 15, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record
July 30, 1987State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
July 15, 1987State Formal Notice of Violation issuedgeneral compliance action — not tied to a specific violation on record
February 16, 1982State Unresolvedgeneral compliance action — not tied to a specific violation on record

Contact

DE SOTO WATER SUPPLY

515-834-2233

ADEL, IA 50003